Description

D-Erythro-Pentonic Acid, 2-Deoxy-, γ-Lactone, 3,5-Bis(4-Methylbenzoate) is a high-purity, synthetically derived chemical intermediate characterized by its specific pentonic acid lactone structure with protective benzoate groups. This compound matters for its role as a versatile chiral building block in sophisticated organic synthesis, enabling the development of complex molecules with precise stereochemistry. It is primarily needed by research institutions and pharmaceutical companies engaged in the development of nucleoside analogs, carbohydrate-based therapeutics, and other fine chemicals where stereochemical control is paramount.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of novel nucleoside and nucleotide analogs for antiviral or anticancer drug discovery programs.
• Carbohydrate Chemistry Research: Serves as a protected sugar derivative for studying glycosylation reactions, enzyme inhibitors, and metabolic pathway probes.
• Fine Chemical Synthesis: Used in the multi-step synthesis of complex natural products, specialty agrochemicals, and advanced material monomers.
• Bioconjugate Development: Potential utility in creating labeled sugars or carbohydrate-protein conjugates for diagnostic and biomedical research applications.
• Process Chemistry & Scale-Up: Supports route scouting and optimization for the commercial production of high-value active pharmaceutical ingredients (APIs).

Basic Information

Product Name	D-Erythro-Pentonic Acid, 2-Deoxy-, γ-Lactone, 3,5-Bis(4-Methylbenzoate)
CAS No.	53009-05-5
Molecular Formula	C21H20O7
Molecular Weight	384.38 g/mol
Synonyms	3,5-Bis(4-methylbenzoyl)-2-deoxy-D-erythro-pentono-1,4-lactone; 2-Deoxy-D-erythro-pentonic acid γ-lactone 3,5-bis(4-methylbenzoate); 2-Deoxypentonic acid-1,4-lactone 3,5-di-p-toluate; D-erythro-2-Deoxypentono-1,4-lactone 3,5-bis(4-methylbenzoate); 3,5-Di-p-toluoyl-2-deoxy-D-erythro-pentono-1,4-lactone
EINECS	Contact for details

Quality Control

Our D-Erythro-Pentonic Acid, 2-Deoxy-, γ-Lactone, 3,5-Bis(4-Methylbenzoate) is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the exacting standards required for research and pharmaceutical development. Certificates of Analysis (COA) with full traceability are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Specific Rotation	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.